20008292 has 12 divisors (see below), whose sum is σ = 36857520. Its totient is φ = 9477576.

The previous prime is 20008291. The next prime is 20008301. The reversal of 20008292 is 29280002.

It is not an unprimeable number, because it can be changed into a prime (20008291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131558 + ... + 131709.

It is an arithmetic number, because the mean of its divisors is an integer number (3071460).

Almost surely, 2^20008292 is an apocalyptic number.

It is an amenable number.

20008292 is a deficient number, since it is larger than the sum of its proper divisors (16849228).

20008292 is a wasteful number, since it uses less digits than its factorization.

20008292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263290 (or 263288 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 20008292 is about 4473.0629327118. The cubic root of 20008292 is about 271.4792697278.

Adding to 20008292 its reverse (29280002), we get a palindrome (49288294).

The spelling of 20008292 in words is "twenty million, eight thousand, two hundred ninety-two".